<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row :gutter="20">
        <el-col :span="6">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 表格数据 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格(元)" prop="goods_price" width="100px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
        <el-table-column label="商品数量" prop="goods_number" width="70px"></el-table-column>
        <el-table-column label="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">{{scope.row.add_time | dataFormat }}</template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.goods_id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total" background></el-pagination>
    </el-card>
<!--    编辑对话框-->
    <el-dialog title="修改商品" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px">
        <el-form-item label="商品名称">
          <el-input v-model="editForm.goods_name" disabled></el-input>
        </el-form-item>
        <el-form-item label="商品价格" prop="goods_price">
          <el-input v-model="editForm.goods_price"></el-input>
        </el-form-item>
        <el-form-item label="商品数量" prop="goods_number">
        <el-input v-model="editForm.goods_number"></el-input>
      </el-form-item>
        <el-form-item label="商品重量" prop="goods_weight">
          <el-input v-model="editForm.goods_weight"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editGoods">确 定</el-button>
      </span>
    </el-dialog>
  </div>

</template>

<script>
  export default {
    name: 'List',
    data(){
      return{
        queryInfo:{
          query:'',
          pagenum:1,
          pagesize:5
        },
        total:0,
        goodsList:[],
        editDialogVisible:false,
        editForm:{},
        editFormRules:{
          goods_price:[
            {required:true,message:'请输入商品价格',trigger:'blur'}
          ],
          goods_number:[
            {required:true,message:'请输入商品数量',trigger:'blur'}
          ],
          goods_weight:[
            {required:true,message:'请输入商品重量',trigger:'blur'}
          ]
        }
      }
    },
    created() {
      this.getGoodsList()
    },
    methods:{
      async getGoodsList(){
        const {data:res}=await this.$http.get('goods',{params:this.queryInfo})
        if (res.meta.status!==200){
          return this.$message.error(res.meta.msg)
        }
        // console.log(res)
        this.goodsList=res.data.goods;
        console.log(this.goodsList)
        this.total=res.data.total;
      },
      handleSizeChange(newSize){
        this.queryInfo.pagesize=newSize
        this.getGoodsList()
      },
      handleCurrentChange(newNum){
        this.queryInfo.pagenum=newNum
        this.getGoodsList()
      },
      goAddPage(){
        this.$router.push('/goods/add')
      },
      // 通过Id删除商品
      async removeById (id) {
        const confirmResult = await this.$confirm(
          '此操作将永久删除该商品, 是否继续?',
          '提示',
          {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
          }
        ).catch(err => err)
        if (confirmResult !== 'confirm') {
          return this.$message.info('已取消删除！')
        }
        const { data: res } = await this.$http.delete('goods/' + id)
        if (res.meta.status !== 200) {
          return this.$message.error('删除商品失败！')
        }
        this.$message.success('删除商品成功！')
        this.getGoodsList()
      },
      async showEditDialog(id){
        // 根据 ID 查询商品
        const {data:res}=await this.$http.get('goods/'+id)
        if(res.meta.status!==200){
          return this.$message.error(res.meta.msg)
        }
        this.editForm=res.data
        this.editDialogVisible=true
      },
      editDialogClosed(){
        this.$refs.editFormRef.resetFields()
      },
      editGoods(){
        this.$refs.editFormRef.validate(async valid=>{
          if (!valid) return
          const {data:res}=await this.$http.put(`goods/${this.editForm.goods_id}`,this.editForm)
          if (res.meta.status!==200){
            return this.$message.error(res.meta.msg)
          }
          this.$message.success('修改商品成功')
          this.getGoodsList()
          this.editDialogVisible=false
        })
      }
    }
  }
</script>

<style scoped>

</style>
